Specification for 100° countersunk head steel bolts (Unified threads and cruciform recesses) for aircraft

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

26-06-2017

Publisher

British Standards Institution

Foreword
1 Scope
2 General requirements
3 Material and manufacture
4 Dimensions
5 Screw threads
6 Anti-corrosion coating
7 Identification
8 Inspection procedure
9 Gauging
Appendix A - Principles of flushness control
and recommended gauging practice
Appendix B - Recess penetration gauging
Appendix C - Table for conversion of inches
to approximate millimetre equivalents

Gives material, dimensions, finish and inspection requirements for steel bolts with 100 degrees countersunk recessed heads and Unified threads for aircraft.

This British Standard specifies the material, dimensions, finish and inspection requirements for steel bolts with 100° countersunk recessed heads and Unified threads for aircraft.

Committee	ACE/12
DevelopmentNote	Supersedes 76/75414 DC (10/2005) Reviewed and confirmed by BSI, January 2008. (12/2007)
DocumentType	Standard
Pages	20
PublisherName	British Standards Institution
Status	Current
SupersededBy	BS A 273:1978

BS 2S 149:1976	Specification for 1.75% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
BS S148(1969) : 1969	SPECIFICATION FOR LOW NICKEL-CHROMIUM STEEL (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS 3S102(1969) : 1969	SPECIFICATION FOR CARBON-MOLYBDENUM STEEL (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS 3S105(1969) : 1969	SPECIFICATION FOR CARBON STEEL - (BAR FOR THE MANUFACTURE OF FORGED BOLTS ONLY)
BS 4A 100:2003	Specification for general requirements for bolts and free running nuts of tensile strength not exceeding 1249 MPa
BS S 158:1977	Specification for 1% chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts
BS 2S 147:1976	Specification for 0.5% nickel-chromium-molybdenum steel bars for the manufacture of forged bolts and forged nuts

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BS A 211:1961

Specification for 100° countersunk head steel bolts (Unified threads and cruciform recesses) for aircraft

Table of Contents

Abstract

Scope

General Product Information

Standards Referencing This Book

Category

Subcategory